CKEDITOR.plugins.add( 'abbr2', {
    icons: 'abbr2',
    init: function( editor ) {
//    	editor.addCommand( 'abbr2', new CKEDITOR.dialogCommand( 'abbrDialog' ) );
        editor.addCommand('abbr2',{exec: function( editor ){commit2();}});
        editor.ui.addButton( 'Abbr2', {
            label: 'SAVE',
            command: 'abbr2',
            toolbar: 'document'
        });

        CKEDITOR.dialog.add( 'abbrDialog', this.path + 'dialogs/abbr.js' );
    }
});